p | Pressure | \(N_{s}\) | Number of supply nodes |
q | Mass-flux | \(N_{0}\) | Number of internal nodes |
p̄ | Steady-state pressure | \(N_{d}\) | Number of demand nodes |
q̄ | Steady-state mass-flux | \(N_{c}\) | Number of compressors |
\(s_{p}\) | Supply node pressure | \(N_{p}\) | Dimension of pressure space |
\(d_{q}\) | Demand node mass-flux | \(N_{q}\) | Dimension of mass-flux space |
\(s_{q}\) | Supply node mass-flux | \(n_{p}\) | Dimension of reduced pressure space |
\(d_{p}\) | Demand node pressure | \(n_{q}\) | Dimension of reduced mass-flux space |